<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>商品渲染</title>
    <style>
      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }

      .list {
        width: 990px;
        margin: 0 auto;
        display: flex;
        flex-wrap: wrap;
      }

      .item {
        width: 240px;
        margin-left: 10px;
        padding: 20px 30px;
        transition: all 0.5s;
        margin-bottom: 20px;
      }

      .item:nth-child(4n) {
        margin-left: 0;
      }

      .item:hover {
        box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.2);
        transform: translate3d(0, -4px, 0);
        cursor: pointer;
      }

      .item img {
        width: 100%;
      }

      .item .name {
        font-size: 18px;
        margin-bottom: 10px;
        color: #666;
      }

      .item .price {
        font-size: 22px;
        color: firebrick;
      }

      .item .price::before {
        content: '¥';
        font-size: 14px;
      }

      .filter {
        display: flex;
        width: 990px;
        margin: 0 auto;
        padding: 50px 30px;
      }

      .filter a {
        padding: 10px 20px;
        background: #f5f5f5;
        color: #666;
        text-decoration: none;
        margin-right: 20px;
      }

      .filter a:active,
      .filter a:focus {
        background: #05943c;
        color: #fff;
      }
    </style>
  </head>

  <body>
    <div class="filter">
      <a data-index="1" href="javascript:;">0-100元</a>
      <a data-index="2" href="javascript:;">100-300元</a>
      <a data-index="3" href="javascript:;">300元以上</a>
      <a href="javascript:;">全部区间</a>
    </div>
    <div class="list">
      <!-- <div class="item">
      <img src="" alt="">
      <p class="name"></p>
      <p class="price"></p>
    </div> -->
    </div>
    <script>
      // 2. 初始化数据
      const goodsList = [
        {
          id: '4001172',
          name: '称心如意手摇咖啡磨豆机咖啡豆研磨机',
          price: '289.00',
          picture:
            'https://yanxuan-item.nosdn.127.net/84a59ff9c58a77032564e61f716846d6.jpg',
        },
        {
          id: '4001594',
          name: '日式黑陶功夫茶组双侧把茶具礼盒装',
          price: '288.00',
          picture:
            'https://yanxuan-item.nosdn.127.net/3346b7b92f9563c7a7e24c7ead883f18.jpg',
        },
        {
          id: '4001009',
          name: '竹制干泡茶盘正方形沥水茶台品茶盘',
          price: '109.00',
          picture:
            'https://yanxuan-item.nosdn.127.net/2d942d6bc94f1e230763e1a5a3b379e1.png',
        },
        {
          id: '4001874',
          name: '古法温酒汝瓷酒具套装白酒杯莲花温酒器',
          price: '488.00',
          picture:
            'https://yanxuan-item.nosdn.127.net/44e51622800e4fceb6bee8e616da85fd.png',
        },
        {
          id: '4001649',
          name: '大师监制龙泉青瓷茶叶罐',
          price: '139.00',
          picture:
            'https://yanxuan-item.nosdn.127.net/4356c9fc150753775fe56b465314f1eb.png',
        },
        {
          id: '3997185',
          name: '与众不同的口感汝瓷白酒杯套组1壶4杯',
          price: '108.00',
          picture:
            'https://yanxuan-item.nosdn.127.net/8e21c794dfd3a4e8573273ddae50bce2.jpg',
        },
        {
          id: '3997403',
          name: '手工吹制更厚实白酒杯壶套装6壶6杯',
          price: '100.00',
          picture:
            'https://yanxuan-item.nosdn.127.net/af2371a65f60bce152a61fc22745ff3f.jpg',
        },
        {
          id: '3998274',
          name: '德国百年工艺高端水晶玻璃红酒杯2支装',
          price: '139.00',
          picture:
            'https://yanxuan-item.nosdn.127.net/8896b897b3ec6639bbd1134d66b9715c.jpg',
        },
      ]
      function render(arr) {
        let str = ''
        arr.forEach((item, index) => {
          const { picture, name, price } = item
          str += `
        <div class="item">
      <img src="${picture}" alt="">
      <p class="name">${name}</p>
      <p class="price">${price}</p>
      </div>
        `
        })
        document.querySelector('.list').innerHTML = str
      }
      render(goodsList)
      const filter = document.querySelector('.filter')

      filter.addEventListener('click', function (e) {
        // console.log(e.target.tagName)
        const {target,target:{tagName,dataset}}=e
        if (tagName === 'A') {
          let arr = goodsList
          if (dataset.index === '1') {
            console.log(111);
            arr = goodsList.filter(item => item.price > 0 && item.price <= 100)
          }else if(dataset.index === '2'){
            arr = goodsList.filter(item => item.price > 100 && item.price <= 300)
          }else if(dataset.index === '3'){
            arr = goodsList.filter(item =>  item.price >300)
          }
          render(arr)
        }
      })
    </script>
  </body>
</html>
